simonmar 2005/10/26 03:42:54 PDT
Modified files:
ghc/includes Regs.h mkDerivedConstants.c
ghc/rts HeapStackCheck.cmm Interpreter.c
Interpreter.h Schedule.c StgCRun.c
StgRun.h StgStartup.cmm
Log:
- change the type of StgRun(): now we return the Capability that the
thread currently holds. The return status of the thread is now
stored in cap->r.rRet (a new slot in the reg table).
This was necessary because on return from StgRun(), the current
TSO may be blocked, so it no longer belongs to us. If it is a bound
thread, then the Task may have been already woken up on another
Capability, so the scheduler can't use task->cap to find the
capability it currently owns.
- when shutting down, allow a bound thread to remove its TSO from
the run queue when exiting (eliminates an error condition in
releaseCapability()).
Revision Changes Path
1.24 +1 -2 fptools/ghc/includes/Regs.h
1.28 +1 -0 fptools/ghc/includes/mkDerivedConstants.c
1.17 +6 -5 fptools/ghc/rts/HeapStackCheck.cmm
1.56 +7 -5 fptools/ghc/rts/Interpreter.c
1.7 +1 -1 fptools/ghc/rts/Interpreter.h
1.264 +31 -21 fptools/ghc/rts/Schedule.c
1.54 +13 -13 fptools/ghc/rts/StgCRun.c
1.8 +1 -1 fptools/ghc/rts/StgRun.h
1.6 +3 -2 fptools/ghc/rts/StgStartup.cmm
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